ETS Ford Focus RS Intercooler Piping Upgrade Kit This piping kit is a direct bolt on for both the factory intercooler and our upgraded ETS intercooler, making this the only upgraded intercooler piping you will need. In our testing we were able to immediately see an increase in boost and response without altering the factory tune, in addition to a smoother, more usable powerband. This was the last part installed on www.theshopct.com's Focus RS before we went from a 12.2 to a 11.9
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